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Author
- International Steering Committee for Global Mapping (ISCGM)[remove]170
- Department of Land Affairs9
- Sudan National Survey Corporation9
- Survey Department of Ghana7
- Sudan National Survey Authority4
- CERGEC - Centre de Recherche Geographique et de Production Cartographique2
- Ethiopian Mapping Agency2
- Institut Géographique National2
- Topographic Survey Directorate, Survey and Land Registration Bureau2